PC keeps switching Off.

  prince midas 15:10 28 Aug 10
Locked

When I go onto the internet after a few minutes & especially if I switch sites my PC freezes on the
monior and a load of Blue marks appear on the screen.When I switch off the monitor I notice a lot of scratches on its inside which I cannot remove.It is 12 Years old,my PC is 6 Years old.
I have no malware problems.
While writing this letter it froze & the blue blobs appeared on the screen and I had to restart.
Any Ideas?

  Fruit Bat /\0/\ 16:02 28 Aug 10

FReeezing PC

1. Overheat due to faulty / blocked fans

2. PSU voltages

3. Household power surges fridge etc switching on/off

4. faulty memory stick try memtest click here

5. virus or spyware scan for both especially if shutting down with in a few minutes of switch on or internet use

6. driver conflicts especially grahics cards get the latest drivers for your equipment

  Graphicool1 18:20 28 Aug 10

See if you can try a different monitor. Because this doesn't sound like a symptom for any of the problems that Fruit Bat /\0/\ is describing to me?...

"When I switch off the monitor I notice a lot of scratches on its inside which I cannot remove"

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